in the law of Moses, is any legal defilement. Of these there were several sorts; some were voluntary, as the touching a dead body, or any animal that died of itself, or any creature that was esteemed unclean; or the touching things holy, by one who was not clean, or was not a priest; the touching one who had a leprosy, one who had a gonorrhoea, or who was polluted by a dead carcass, &c. Sometimes these impurities were involuntary, as when any one inadvertently touched bones, or a sepulchre, or any thing polluted; or fell into such diseases as pollute, as the leprosy, &c.